week 2 review

Ice core samples
Snowball earth
Pliocene temperatures and aspects of the climate system then. CO2 levels similar to ours. Rapid rate we're emitting CO2.
Tree rings.

1. What are the most important themes you have learned this week?
2. What aspect of this week did you find difficult? Snowball earth. Also illuminating though in learning about feedbacks.
3. What did you find most interesting? And why? Ice core samples. To think we can go back 800,000 years to look at earth's climate then is mind-boggling.
4. Was there something that you learned this week that prompted you to do your own research? On the Pliocene epoch.
5. Are there any web sites or other online resource that you found particularly useful in furthering your knowledge and understanding? The Keeling Curve; NASA.